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/************************************
************************************/
 
#include <bits/stdc++.h>
#define VOI23 ""
#define st first
#define nd second
#define bit(n, i) ((n >> i) & 1)
 
using namespace std;
 
const int N = 1e6 + 1 ;
const int M = 1e2 + 1 ;
const int mod = 1e9 + 7 ;
const long long inf = 1e9 ;
 
long long n , a[N] , fac[N] , ivp[N] ;
 
long long fastPow(long long x , long long y) {
    long long ans = 1 ;
    long long tmp = x ;
    while(y) {
        if (y & 1) ans = (ans * tmp) % mod ;
        tmp = (tmp * tmp) % mod ;
        y >>= 1 ;
    }
    return ans ;
}
 
int main() {
    cin.tie(0) -> sync_with_stdio(0) ;
 
    if (fopen(VOI23".inp" , "r")) {
        freopen(VOI23".inp", "r", stdin) ;
        freopen(VOI23".out", "w", stdout) ;
    }
 
    fac[0] = 1 ;
    for (int i = 1 ; i < N ; i++) fac[i] = (fac[i - 1] * i) % mod ;
    ivp[N - 1] = fastPow(fac[N - 1] , mod - 2) ;
    for (int i = N - 2 ; i >= 0 ; i--) ivp[i] = (ivp[i + 1] * (i + 1)) % mod ;
    /// --> C(k n) = fac[n] * ivp[k] * ivp[n - k]
}
 

Main.java:4: error: illegal character: '#'
#include <bits/stdc++.h>
^
Main.java:4: error: class, interface, or enum expected
#include <bits/stdc++.h>
         ^
Main.java:5: error: illegal character: '#'
#define VOI23 ""
^
Main.java:6: error: illegal character: '#'
#define st first
^
Main.java:7: error: illegal character: '#'
#define nd second
^
Main.java:8: error: illegal character: '#'
#define bit(n, i) ((n >> i) & 1)
^
Main.java:12: error: class, interface, or enum expected
const int N = 1e6 + 1 ;
^
Main.java:13: error: class, interface, or enum expected
const int M = 1e2 + 1 ;
^
Main.java:14: error: class, interface, or enum expected
const int mod = 1e9 + 7 ;
^
Main.java:15: error: class, interface, or enum expected
const long long inf = 1e9 ;
^
Main.java:17: error: class, interface, or enum expected
long long n , a[N] , fac[N] , ivp[N] ;
^
Main.java:19: error: class, interface, or enum expected
long long fastPow(long long x , long long y) {
^
Main.java:21: error: class, interface, or enum expected
    long long tmp = x ;
    ^
Main.java:22: error: class, interface, or enum expected
    while(y) {
    ^
Main.java:24: error: class, interface, or enum expected
        tmp = (tmp * tmp) % mod ;
        ^
Main.java:25: error: class, interface, or enum expected
        y >>= 1 ;
        ^
Main.java:26: error: class, interface, or enum expected
    }
    ^
Main.java:28: error: class, interface, or enum expected
}
^
Main.java:33: error: class, interface, or enum expected
    if (fopen(VOI23".inp" , "r")) {
    ^
Main.java:35: error: class, interface, or enum expected
        freopen(VOI23".out", "w", stdout) ;
        ^
Main.java:36: error: class, interface, or enum expected
    }
    ^
Main.java:39: error: class, interface, or enum expected
    for (int i = 1 ; i < N ; i++) fac[i] = (fac[i - 1] * i) % mod ;
    ^
Main.java:39: error: class, interface, or enum expected
    for (int i = 1 ; i < N ; i++) fac[i] = (fac[i - 1] * i) % mod ;
                     ^
Main.java:39: error: class, interface, or enum expected
    for (int i = 1 ; i < N ; i++) fac[i] = (fac[i - 1] * i) % mod ;
                             ^
Main.java:40: error: class, interface, or enum expected
    ivp[N - 1] = fastPow(fac[N - 1] , mod - 2) ;
    ^
Main.java:41: error: class, interface, or enum expected
    for (int i = N - 2 ; i >= 0 ; i--) ivp[i] = (ivp[i + 1] * (i + 1)) % mod ;
    ^
Main.java:41: error: class, interface, or enum expected
    for (int i = N - 2 ; i >= 0 ; i--) ivp[i] = (ivp[i + 1] * (i + 1)) % mod ;
                         ^
Main.java:41: error: class, interface, or enum expected
    for (int i = N - 2 ; i >= 0 ; i--) ivp[i] = (ivp[i + 1] * (i + 1)) % mod ;
                                  ^
Main.java:43: error: class, interface, or enum expected
}
^
29 errors

Standard output is empty